Some patients with hemorrhoids may have frequent and fine stools, but it can not be completely ruled out is caused by colon cancer, rectal polyps and other diseases. 1. Hemorrhoids: some patients with hemorrhoids, especially those with internal hemorrhoids, because of the large size of hemorrhoids, which may lead to the reduction of the diameter of the lumen of the cecum, coupled with the stimulation of inflammation, the patients will have more frequent and fine stools, as well as blood and other uncomfortable symptoms. 2. Colon cancer: colon cancer will lead to complete or partial intestinal obstruction due to the growth of tumor. When the feces pass through the lesion area, due to the narrowing of the lumen, the patient may have symptoms such as more frequent stools, blood in stool, abdominal distension, abdominal pain, and so on. 3. Rectal polyps: Rectal polyps are usually caused by inflammation, infection, heredity and other factors leading to abnormal proliferation of intestinal mucosa. A small number of patients with rectal polyps will experience a sense of urgency and heaviness as well as recurrent bowel movements, and when the polyp is large in size, it can also lead to changes in the shape of the stool. There are many reasons for the increased frequency and thinning of stools, so it is advisable to consult a medical professional. It is recommended to consult a doctor if you experience any discomfort, so as not to delay your condition.